Java tutorial
/** * This file is part of the Squashtest platform. * Copyright (C) 2010 - 2016 Henix, henix.fr * * See the NOTICE file distributed with this work for additional * information regarding copyright ownership. * * This is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * this software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this software. If not, see <http://www.gnu.org/licenses/>. */ package org.squashtest.tm.web.internal.controller.testcase.steps; import java.util.ArrayList; import java.util.Collections; import java.util.List; import org.apache.commons.collections.CollectionUtils; import org.squashtest.tm.domain.execution.Execution; import org.squashtest.tm.domain.execution.ExecutionStep; import org.squashtest.tm.domain.testcase.ActionTestStep; import org.squashtest.tm.domain.testcase.CallTestStep; import org.squashtest.tm.domain.testcase.TestStep; import org.squashtest.tm.domain.testcase.TestStepVisitor; class TestStepViewFromExecBuilder implements TestStepVisitor { private TestStepViewFromExec testStepView; private ExecutionStep execStep; public TestStepViewFromExecBuilder() { } public TestStepViewFromExec buildTestStepViewFromExec(ExecutionStep execStep) { this.execStep = findExistingStep(execStep); TestStep testStep = this.execStep.getReferencedTestStep(); testStep.accept(this); return testStepView; } /** * Creates a model row from the visited item and stores it as {@link #lastBuiltItem} */ @Override public void visit(ActionTestStep visited) { testStepView = new TestStepViewFromExec(visited, execStep); } @Override public void visit(CallTestStep visited) { // not possible. The step is an ActionTestStep even if it's in fact a call step. } private ExecutionStep findExistingStep(ExecutionStep execStep) { Execution exec = execStep.getExecution(); List<ExecutionStep> execSteps = new ArrayList<>(exec.getSteps()); int stepIndex = exec.getStepIndex(execStep.getId()); List<ExecutionStep> after = execSteps.subList(stepIndex, execSteps.size()); // search for next existing step ExecutionStep result = (ExecutionStep) CollectionUtils.find(after, TestStepViewFromExec.NOT_DELETED); // if no step exist next, search the nearest previous step that still exist if (result == null) { List<ExecutionStep> before = execSteps.subList(0, stepIndex); // reverse the list so the first element found is the nearest Collections.reverse(before); result = (ExecutionStep) CollectionUtils.find(before, TestStepViewFromExec.NOT_DELETED); } return result; } }